Angular CLI 10 ng build --prod emits empty/blank lines

[Sujoy-Banerjee]

🐞 Bug report

Command (mark with an x)

• new
• build
• serve
• test
• e2e
• generate
• add
• update
• lint
• xi18n
• run
• config
• help
• version
• doc

Is this a regression?

Yes, the previous version in which this bug was not present was: 7.1.4

Description

Whenever I tried to build my app, using CLI if we use command ng build --prod it will emit 2 empty/blank lines.
And if I remove --prod from the command these empty/blank lines are gone.

🔬 Minimal Reproduction

This issue can be reproducible in new app created with ng new <appname>.
Just after creating new app. run the following commands and see the difference.

• ng build --prod
• ng build

🔥 Exception or Error

See the blank lines on screen capture...

🌍 Your Environment

    / \   _ __   __ _ _   _| | __ _ _ __     / ___| |   |_ _|
   / △ \ | '_ \ / _` | | | | |/ _` | '__|   | |   | |    | |
  / ___ \| | | | (_| | |_| | | (_| | |      | |___| |___ | |
 /_/   \_\_| |_|\__, |\__,_|_|\__,_|_|       \____|_____|___|
                |___/


Angular CLI: 10.0.5
Node: 12.18.1
OS: win32 x64

Angular: 10.0.9
... animations, common, compiler, compiler-cli, core, forms
... platform-browser, platform-browser-dynamic, router
Ivy Workspace: Yes

Package                           Version
-----------------------------------------------------------
@angular-devkit/architect         0.1000.5
@angular-devkit/build-angular     0.1000.5
@angular-devkit/build-optimizer   0.1000.5
@angular-devkit/build-webpack     0.1000.5
@angular-devkit/core              10.0.5
@angular-devkit/schematics        10.0.5
@angular/cli                      10.0.5
@ngtools/webpack                  10.0.5
@schematics/angular               10.0.5
@schematics/update                0.1000.5
rxjs                              6.5.5
typescript                        3.9.7
webpack                           4.43.0

Anything else relevant?

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